.trajectory {
  --tl-line: var(--md-default-fg-color--lightest);
  --tl-accent: var(--md-accent-fg-color);
  --tl-bg: var(--md-default-bg-color);
  --tl-text: var(--md-default-fg-color);
  --tl-mid: var(--md-default-fg-color--light);
  --tl-glow: color-mix(in srgb, var(--md-accent-fg-color) 30%, transparent);
}

.trajectory .tl-container {
  position: relative;
  padding: 0.4rem 0;
}

.trajectory .tl-container::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-0.5px);
  background: var(--tl-line);
  transition: background-color 0.3s ease;
}

.trajectory .tl-entry {
  position: relative;
  width: 50%;
  padding-bottom: 1.4rem;
}

.trajectory .tl-entry.tl-left {
  left: 0;
  padding-right: 1.4rem;
}

.trajectory .tl-entry.tl-right {
  left: 50%;
  padding-left: 1.4rem;
}

.trajectory .tl-marker {
  position: absolute;
  top: 0.15rem;
  width: 1rem;
  height: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tl-accent);
  background: var(--tl-bg);
  z-index: 1;
  transition: background-color 0.3s ease;
}

.trajectory .tl-entry.tl-left .tl-marker {
  right: -0.5rem;
}

.trajectory .tl-entry.tl-right .tl-marker {
  left: -0.5rem;
}

.trajectory .tl-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tl-accent);
  box-shadow: 0 0 8px var(--tl-glow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.trajectory .tl-entry.tl-left .tl-content {
  text-align: right;
}

.trajectory .tl-entry.tl-right .tl-content {
  text-align: left;
}

.trajectory .tl-date {
  font-family: var(--md-code-font, "JetBrains Mono", monospace);
  font-size: 0.6rem;
  letter-spacing: 0.03em;
  color: var(--tl-accent);
  display: block;
  margin-bottom: 0.12rem;
}

.trajectory .tl-title {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.18rem;
}

.trajectory .tl-text {
  font-size: 0.64rem;
  color: var(--tl-text);
  line-height: 1.5;
  margin: 0 0 0.22rem;
}

.trajectory .tl-entry-tags {
  display: flex;
  gap: 0.28rem;
  margin-top: 0.18rem;
}

.trajectory .tl-entry.tl-left .tl-entry-tags {
  justify-content: flex-end;
}

.trajectory .tl-entry-tag {
  font-family: var(--md-code-font, "JetBrains Mono", monospace);
  font-size: 0.5rem;
  padding: 0.04rem 0.34rem;
  border-radius: 999px;
  color: var(--tl-accent);
  border: 1px solid color-mix(in srgb, var(--md-accent-fg-color) 45%, transparent);
  background: color-mix(in srgb, var(--md-accent-fg-color) 12%, transparent);
}

@media (max-width: 640px) {
  .trajectory .tl-container::before {
    left: 0.4rem;
  }

  .trajectory .tl-entry,
  .trajectory .tl-entry.tl-left,
  .trajectory .tl-entry.tl-right {
    width: 100%;
    left: 0;
    padding-left: 1.5rem;
    padding-right: 0;
  }

  .trajectory .tl-entry.tl-left .tl-marker,
  .trajectory .tl-entry.tl-right .tl-marker {
    left: 0;
    right: auto;
  }

  .trajectory .tl-entry.tl-left .tl-content {
    text-align: left;
  }

  .trajectory .tl-entry.tl-left .tl-entry-tags {
    justify-content: flex-start;
  }
}

.trajectory .traj-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.trajectory .traj-switch {
  position: relative;
  display: flex;
  max-width: 28rem;
  margin: 0.6rem auto 1.1rem;
  padding: 0.22rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-code-bg-color) 55%, transparent);
  border: 1px solid var(--tl-line);
  isolation: isolate;
}

.trajectory .traj-thumb {
  position: absolute;
  z-index: -1;
  top: 0.22rem;
  bottom: 0.22rem;
  left: 0.22rem;
  width: calc((100% - 0.44rem) / 3);
  border-radius: 999px;
  background: color-mix(in srgb, var(--md-accent-fg-color) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--md-accent-fg-color) 45%, var(--tl-line));
  box-shadow: 0 0 10px color-mix(in srgb, var(--md-accent-fg-color) 22%, transparent);
  transition: transform 0.4s cubic-bezier(0.5, 0.05, 0.2, 1);
}

.trajectory .traj-seg {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  padding: 0.32rem 0.5rem;
  text-align: center;
  cursor: pointer;
  font-family: var(--md-code-font, "JetBrains Mono", monospace);
  font-size: 0.6rem;
  letter-spacing: 0.02em;
  color: var(--tl-mid);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.trajectory .traj-seg:hover {
  color: var(--tl-text);
}

#traj-tab-1:checked ~ .traj-switch .traj-thumb {
  transform: translateX(0);
}

#traj-tab-2:checked ~ .traj-switch .traj-thumb {
  transform: translateX(100%);
}

#traj-tab-3:checked ~ .traj-switch .traj-thumb {
  transform: translateX(200%);
}

#traj-tab-1:checked ~ .traj-switch label[for="traj-tab-1"],
#traj-tab-2:checked ~ .traj-switch label[for="traj-tab-2"],
#traj-tab-3:checked ~ .traj-switch label[for="traj-tab-3"] {
  color: var(--tl-accent);
}

.trajectory .traj-panel {
  display: none;
}

#traj-tab-1:checked ~ .traj-panels .traj-panel-timeline {
  display: block;
}

#traj-tab-2:checked ~ .traj-panels .traj-panel-awards {
  display: block;
}

#traj-tab-3:checked ~ .traj-panels .traj-panel-changelog {
  display: block;
}

.trajectory .traj-year {
  margin: 0.9rem 0 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.trajectory .traj-hint {
  margin: 0.2rem 0 0.6rem;
  font-size: 0.55rem;
  color: var(--tl-mid);
}

.trajectory .tl-aw-entry {
  --tl-awc: var(--tl-accent);
}

.trajectory .tl-aw-entry[data-level="g"] {
  --tl-awc: #d4a73c;
}

.trajectory .tl-aw-entry[data-level="s"] {
  --tl-awc: #9aa3b5;
}

.trajectory .tl-aw-entry[data-level="b"] {
  --tl-awc: #bd7d4f;
}

.trajectory .tl-aw-entry[data-level="n"] {
  --tl-awc: var(--tl-accent);
}

[data-md-color-scheme="slate"] .trajectory .tl-aw-entry[data-level="g"] {
  --tl-awc: #f5cf63;
}

[data-md-color-scheme="slate"] .trajectory .tl-aw-entry[data-level="s"] {
  --tl-awc: #c7d0e0;
}

[data-md-color-scheme="slate"] .trajectory .tl-aw-entry[data-level="b"] {
  --tl-awc: #e0a063;
}

.trajectory .tl-aw-dot {
  background: var(--tl-awc);
  box-shadow: 0 0 8px color-mix(in srgb, var(--tl-awc) 70%, transparent);
}

.trajectory .tl-aw-event {
  font-size: 0.72rem;
}

.trajectory .tl-aw-note {
  margin-bottom: 0.18rem;
  font-size: 0.6rem;
  color: var(--tl-mid);
}

.trajectory .tl-aw-rank {
  display: inline-block;
  padding: 0.04rem 0.4rem;
  border: 1px solid var(--tl-awc);
  border-radius: 999px;
  font-family: var(--md-code-font, "JetBrains Mono", monospace);
  font-size: 0.55rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--tl-awc);
}

.trajectory .tl-awards .tl-entry.tl-left .tl-entry-tags {
  justify-content: flex-end;
}

.trajectory .traj-panel-changelog .timeline-wrapper {
  padding: 8px 5px 16px 0;
}

.trajectory .traj-panel-changelog .timeline-item {
  margin-bottom: 0.5em;
}

.trajectory .traj-panel-changelog .timeline-dot-wrapper {
  width: 46px;
}

.trajectory .traj-panel-changelog .timeline-dot {
  width: 12px;
  height: 12px;
  left: 14px;
}

.trajectory .traj-panel-changelog .timeline-content::before {
  width: 14px;
  height: 14px;
  left: -7px;
  top: calc(50% - 7px);
}

.trajectory .traj-panel-changelog .timeline-card {
  padding: 8px 10px;
}

.trajectory .traj-panel-changelog .changelog-time {
  font-size: 1em;
}

.trajectory .traj-panel-changelog .changelog-type {
  padding: 2px 4px;
  font-size: 72%;
}

.trajectory .traj-panel-changelog .changelog-content {
  margin-top: 6px;
}

.trajectory .traj-panel-changelog .changelog-content p {
  margin-bottom: 3px;
}